These small studs, arranged in grids and honeycombs, look completely unnatural. If the image was life-sized, you might think that they’re part of a bizarre children’s toy. If they had been photographed from far away, they might be buildings in an alien city. But they are neither. They have been intensely magnified; a thousand of them could fit across a human hair. They studs are part of the skin of a tiny insect-like creature called a springtail. They’re the secret behind its incredible waterproof shell.